Agilent/Keysight 85140A

The Agilent/Keysight 85140A is a 50-ohm coaxial short designed to establish measurement planes with known reflection phase and magnitude in precision RF and microwave test systems. This 2.4 mm male connector component provides a defined reflection coefficient essential for network analyzer calibration and characterization work. It functions as a passive termination standard, delivering predictable electrical behavior required for accurate device and system measurement verification across calibrated test setups.

Technical Specifications

• Component Type: Coaxial Short


• Impedance: 50 Ohm


• Connector: 2.4 mm Male


• Electrical Function: Provides known reflection coefficient for calibration and measurement

Key Features

• Establishes measurement planes with defined reflection phase and magnitude


• Passive design with 50-ohm impedance matching


• Delivers consistent reflection characteristics for repeatable calibration cycles


• Compact 2.4 mm connector form factor for laboratory test configurations

Typical Applications

• Network analyzer calibration and verification


• S-parameter measurement plane establishment


• Device characterization under controlled reflection conditions


• Electronic system testing requiring precision reference standards


• Calibration kit integration for RF test sets

Compatibility & Integration Designed for Agilent/Keysight network analyzers and test sets employing 2.4 mm coaxial interfaces. Compatible with systems such as the 8510B network analyzer when integrated with associated test sets including the 8512A and 8514B. Suitable for any 50-ohm coaxial measurement system requiring a passive short standard for establishment of known reflection planes.